Portable toilet building



FIG. 1 is a perspective view of a portable toilet building showing ournew design;

FIG. 2 is a top view thereof;

FIG. 3 is a front perspective view thereof, with the door in an openposition;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right elevational view thereof.

The ornamental design for a portable toilet building, as shown.